The UC Davis Renewable Energy Anaerobic Digester, which officially opened Earth Day, April 22, 2014, converts organic waste from campus and other sources into clean energy for the campus electrical grid. The anaerobic digestion technology used in the facility was invented by UC Davis professor Ruihong Zhang and licensed to Sacramento-based CleanWorld. (UC Davis)

Planet Forward students toured Bayer's research gardens as a part of our trip. But we happened to visit when the facility was open to everyone through an annual event called "Field Days," where they focus on communicating about agriculture to both educate and demystify the process. (Planet Forward)